Base | Representation |
---|---|
bin | 11110101111111110000101 |
3 | 120011112100100 |
4 | 132233332011 |
5 | 4030421210 |
6 | 444434313 |
7 | 125341614 |
oct | 36577605 |
9 | 16145310 |
10 | 8060805 |
11 | 4606225 |
12 | 2848999 |
13 | 189300c |
14 | 10db87b |
15 | a935c0 |
hex | 7aff85 |
8060805 has 48 divisors (see below), whose sum is σ = 15213744. Its totient is φ = 3932160.
The previous prime is 8060803. The next prime is 8060813. The reversal of 8060805 is 5080608.
It can be written as a sum of positive squares in 8 ways, for example, as 125316 + 7935489 = 354^2 + 2817^2 .
It is not a de Polignac number, because 8060805 - 21 = 8060803 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8060803) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31237 + ... + 31493.
It is an arithmetic number, because the mean of its divisors is an integer number (316953).
Almost surely, 28060805 is an apocalyptic number.
8060805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.
It is an amenable number.
8060805 is a deficient number, since it is larger than the sum of its proper divisors (7152939).
8060805 is a wasteful number, since it uses less digits than its factorization.
8060805 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 326 (or 323 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 8060805 is about 2839.1556843541. The cubic root of 8060805 is about 200.5054299601.
The spelling of 8060805 in words is "eight million, sixty thousand, eight hundred five".
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